package thirteen;

import static util.Print.print;

/**
 * Created by 佳文 on 2016/11/5.
 */
public class test1 {
    public static void main(String[] args){
        String mango="mango";
        String s ="abc"+mango+"def"+47;
        StringBuilder t = new StringBuilder("asd");
        t.append("sad");
        System.out.print(s);
        }
}
